647 FOUS11 KWBC 151724 QPFHSD Probabilistic Heavy Snow and Icing Discussion NWS Weather Prediction Center College Park MD 124 PM EDT Thu Oct 15 2026 Valid 00Z Fri Oct 16 2026 - 00Z Mon Oct 19 2026 The probability of significant snow and ice across the CONUS is less than ten percent Snell $$